Electro Switch Corp. · Electronic Components
399509DH
Switch, Rotary
Part Number399509DH
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-977-1800 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Thread Class2A SINGLE MOUNTING FACILITY
Overall Height1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM
Switch Actuator Positioning Increm30.0 DEGREES SINGLE ACTUATOR
Overall Width1.505 INCHES MINIMUM AND 1.525 INCHES MAXIMUM
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Operating Temp Range-25.0 TO 85.0 CELSIUS
Pole Quantity2 EACH SECTION REAR
Shaft Length0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM SINGLE ACTUATOR
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Shaft Diameter0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM SINGLE ACTUATOR
Thread Length0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM SINGLE MOUNTING FACILITY
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 399509DH available?
We can source 399509DH even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 399509DH by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 399509DH has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 399509DH?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 399509DH?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.